Author: royger
Date: Tue Dec 9 11:12:24 2014
New Revision: 275641
URL: https://svnweb.freebsd.org/changeset/base/275641
Log:
xen: notify ACPI about SCI override
If the SCI is remapped to a non-ISA global interrupt notify the ACPI
subsystem about the override.
Reported by: David P. Discher <d...@dpdtech.com>
Sponsored by: Citrix Systems R&D
Modified:
head/sys/x86/xen/pvcpu_enum.c
Modified: head/sys/x86/xen/pvcpu_enum.c
==============================================================================
--- head/sys/x86/xen/pvcpu_enum.c Tue Dec 9 10:31:35 2014
(r275640)
+++ head/sys/x86/xen/pvcpu_enum.c Tue Dec 9 11:12:24 2014
(r275641)
@@ -91,6 +91,15 @@ madt_parse_interrupt_override(ACPI_MADT_
madt_parse_interrupt_values(intr, &trig, &pol);
+ /* Remap the IRQ if it is mapped to a different interrupt vector. */
+ if (intr->SourceIrq != intr->GlobalIrq && intr->GlobalIrq > 15 &&
+ intr->SourceIrq == AcpiGbl_FADT.SciInterrupt)
+ /*
+ * If the SCI is remapped to a non-ISA global interrupt,
+ * then override the vector we use to setup.
+ */
+ acpi_OverrideInterruptLevel(intr->GlobalIrq);
+
/* Register the IRQ with the polarity and trigger mode found. */
xen_register_pirq(intr->GlobalIrq, trig, pol);
}
_______________________________________________
svn-src-head@freebsd.org mailing list
http://lists.freebsd.org/mailman/listinfo/svn-src-head
To unsubscribe, send any mail to "svn-src-head-unsubscr...@freebsd.org"
